CN214839243U - Municipal administration heating pipeline protective cradle - Google Patents
Municipal administration heating pipeline protective cradle Download PDFInfo
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- CN214839243U CN214839243U CN202120987821.4U CN202120987821U CN214839243U CN 214839243 U CN214839243 U CN 214839243U CN 202120987821 U CN202120987821 U CN 202120987821U CN 214839243 U CN214839243 U CN 214839243U
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- spout
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- 230000001681 protective effect Effects 0.000 title claims abstract description 8
- 238000010438 heat treatment Methods 0.000 title claims description 10
- 230000035939 shock Effects 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000013016 damping Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 12
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 12
- 241001330002 Bambuseae Species 0.000 abstract description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 12
- 239000011425 bamboo Substances 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the pipeline protection support, a municipal administration heat supply pipeline protection support is related to, wherein, the on-line screen storage device comprises a base, the top fixedly connected with screw thread post of base, the surperficial threaded connection of screw thread post has a screw thread section of thick bamboo, the top fixedly connected with pivot of a screw thread section of thick bamboo, the bearing has been cup jointed on the surface of pivot, the top fixedly connected with shock mount of bearing. Its beneficial effect is, this municipal administration heat supply pipeline protective cradle, through the rotation in bowl type seat with the help of the mount, can reach the adjustment to pipeline support angle, simultaneously with the help of fixing bolt, can realize fixing between mount and the bowl type seat, the device adopts the cooperation between each structure, very big increase the support protection effect to the pipeline, realized the regulation to pipeline support height and angle simultaneously, it is high to use the flexibility ratio, whole device is rational in infrastructure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.
Description
Technical Field
The utility model belongs to the technical field of the pipeline protection support, concretely relates to municipal administration heat supply pipeline protection support.
Background
The urban heat supply pipe network is an infrastructure for urban centralized heat supply, and increasingly becomes one of key urban infrastructures for implementing heat supply energy-saving transformation, promoting energy conservation and emission reduction, and building economical and environment-friendly cities. Along with the increasing living standard of urban residents, the requirement on living comfort level is also increased, the service level of the urban heat supply pipe network directly reflects the environment-friendly and energy-saving level of urban operation to the modernization level, and the construction of the urban heat supply pipe network plays an increasingly important role in urban construction.
At present, the protection to the pipeline supports and adopts single mount to fix mostly, and traditional mount can't adjust supporting height and support position as required according to the use, and then leads to supporting the limitation great, can't play better shock attenuation effect simultaneously, leads to the pipeline very easily to appear damaging, and the protection effect is poor, very big increase use cost, it is extremely inconvenient to use.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a municipal administration heating pipeline protective cradle, it has solved inconvenient regulation and the poor technical problem of protection effect.
In order to achieve the above object, the utility model provides a following technical scheme: a municipal heating pipeline protection support comprises a base, wherein a threaded column is fixedly connected to the top of the base, a threaded cylinder is connected to the surface of the threaded column in a threaded manner, a rotating shaft is fixedly connected to the top of the threaded cylinder, a bearing is sleeved on the surface of the rotating shaft, a shock absorption seat is fixedly connected to the top of the bearing, a shock absorber is fixedly connected to the top of the shock absorption seat, a bowl-shaped seat is fixedly connected to the top of the shock absorber, a fixing frame is rotatably connected to the bowl-shaped seat, a fixing bolt penetrates through the side surface of the bowl-shaped seat and is extruded on the surface of the fixing frame, the top of the fixing frame is fixedly connected with another fixing frame through a connecting bolt, a plurality of elastic pieces are fixedly connected to the surfaces of the inner walls of the two fixing frames, and a protection plate is fixedly connected to one end of each elastic piece;
the opposite surfaces of the shock absorption seat and the bowl-shaped seat are respectively provided with a groove, a sliding rod is fixedly connected in the groove, the surface of the sliding rod is connected with a sliding sleeve in a sliding manner, the sliding sleeve is movably connected with a connecting rod through a second pin shaft, the connecting rods are movably connected through the second pin shaft, the surface of the sliding rod is sleeved with a second spring, and two ends of the second spring are respectively and fixedly connected to the side surface of the inner wall of the groove and the side surface of the sliding sleeve;
the side fixedly connected with movable assembly of bowl type seat, first spout has been seted up at the top of base, movable assembly sliding connection is in first spout, the side fixedly connected with first spring of first spout inner wall, the other end fixed connection of first spring is in movable assembly's side.
As a further aspect of the present invention: the movable assembly comprises two fixed plates, two first pin shafts, two movable plates, a telescopic assembly and a third spring, wherein the bottom of the movable assembly is connected into a first chute in a sliding mode, the top of the fixed plates is fixedly connected to the side face of the bowl-shaped seat, the two fixed plates are respectively and movably connected with the movable plates and the two movable plates through the first pin shafts, the telescopic assembly is fixedly connected to the opposite faces of the movable plates, the third spring is sleeved on the surface of the telescopic assembly, and the two ends of the third spring are respectively and fixedly connected to the two movable plates.
As a further aspect of the present invention: the telescopic assembly comprises a cylinder, a sliding block, a second sliding groove and a movable rod, the cylinder is fixedly connected to the bottom movable plate, the second sliding groove is formed in the side face of the inner wall of the cylinder, the sliding block is connected to the second sliding groove in a sliding mode, the movable rod is fixedly connected to the sliding block, and the top of the movable rod is fixedly connected to the top of the movable rod.
As a further aspect of the present invention: the top fixedly connected with telescopic link of base, the top fixed connection of telescopic link is in the bottom of shock attenuation seat.
As a further aspect of the present invention: and ground binding bolts penetrate through the positions, close to the four corners, of the base.
As a further aspect of the present invention: the top fixedly connected with handle of mount, the surface of handle has cup jointed the antiskid cover.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the municipal heat supply pipeline protection bracket can adjust the supporting angle of the pipeline by means of the rotation of the fixing frame in the bowl-shaped seat, can realize the fixation between the fixing frame and the bowl-shaped seat by means of the fixing bolt, can realize the fixation between the fixing frame and the bowl-shaped seat by means of the arrangement of the elastic part and the protection plate, has the arc shape, can realize the purpose of clamping and fixing the surface of the pipeline, can cooperate with the expansion and contraction of the pipeline by means of the sliding sleeve on the surface of the sliding rod by means of the expansion and contraction of the pipeline, and can cooperate with the action of the second pin shaft by means of the movement of the second pin shaft when the pipeline is vibrated, downwardly extruding the bowl-shaped seat, can cushion the vibration by means of the cross motion between the connecting rods and the elasticity of the second spring, cooperate with the vibration damper to enhance the vibration damping performance, thereby improving the protection effect on the pipeline, and the device adopts the cooperation between the structures, the pipeline supporting protection effect is greatly improved, the pipeline supporting height and angle can be adjusted, the use flexibility is high, the whole device is reasonable in structure, the use is convenient, and the practicability is high.
2. This municipal administration heat supply pipeline protective cradle, through rotating a screw thread section of thick bamboo, threaded connection through a screw thread section of thick bamboo and screw thread post, can be in the cooperation of telescopic link, make the screw thread section of thick bamboo drive the cushion socket and reciprocate, realize the regulation of cushion socket use height, through setting up the bumper shock absorber, can cushion the vertical vibrations that the pipeline received, avoid vibrations direct action on the pipeline, cause the damage to the pipeline, through setting up the telescopic link, the normal running fit cushion socket that can cooperate a screw thread section of thick bamboo reciprocates, realize the purpose of adjusting the support height, with the help of the sliding fit of slider in the second spout in the flexible subassembly, can reciprocate in the drum through the movable rod, cooperation bowl type seat reciprocates.
3. This municipal administration heat supply pipeline protective cradle, through the activity effect with the help of first round pin axle in the movable assembly and the slip of fixed plate in first spout, can make flexible subassembly remove along with the fixed plate is moved, and with the help of the elasticity of third spring, vibrations play the cushioning effect about receiving bowl type seat, through setting up the bolt of pricking ground, can fix the base, be convenient for reach the purpose of carrying out fixed use to the integrated device, through the handle, conveniently take off top mount, can increase the frictional force between people's hand and the handle with the help of the antiskid cover, the gliding condition appears when avoiding using.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is a schematic structural view of the telescopic assembly of the present invention;
FIG. 3 is a schematic three-dimensional structure of the base of the present invention;
in the figure: 1. a base; 2. a ground binding bolt; 3. a first chute; 4. a first spring; 5. a telescopic rod; 6. a threaded post; 7. a threaded barrel; 8. a rotating shaft; 9. a movable component; 91. a fixing plate; 92. a first pin shaft; 93. a movable plate; 94. a telescoping assembly; 941. a cylinder; 942. a slider; 943. a second chute; 944. a movable rod; 95. a third spring; 10. a shock absorbing seat; 11. a slide bar; 12. a second spring; 13. a shock absorber; 14. a sliding sleeve; 15. a second pin shaft; 16. fixing the bolt; 17. a bowl-shaped seat; 18. a fixed mount; 19. a connecting bolt; 20. an elastic member; 21. a protection plate; 22. a handle; 23. an anti-slip sleeve; 24. a groove; 25. a connecting rod; 26. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a municipal administration heat supply pipeline protective cradle, includes base 1, base 1's top fixedly connected with screw thread post 6, and base 1's top fixedly connected with telescopic link 5 through setting up telescopic link 5, can cooperate the normal running fit cushion socket 10 of screw thread section of thick bamboo 7 to reciprocate, realizes carrying out the purpose of adjusting to the holding height, and the top fixed connection of telescopic link 5 is in the bottom of cushion socket 10.
The surface threaded connection of screw thread post 6 has a screw thread section of thick bamboo 7, through rotating screw thread section of thick bamboo 7, through the threaded connection of screw thread section of thick bamboo 7 with screw thread post 6, can make screw thread section of thick bamboo 7 drive cushion socket 10 reciprocate at the cooperation of telescopic link 5, realizes the regulation of using the height to cushion socket 10.
The top fixedly connected with pivot 8 of a screw thread section of thick bamboo 7, bearing 26 has been cup jointed on the surface of pivot 8, the top fixedly connected with cushion socket 10 of bearing 26, the top fixedly connected with bumper shock absorber 13 of cushion socket 10, through setting up bumper shock absorber 13, can cushion the vertical vibrations that the pipeline received, avoid vibrations direct action on the pipeline, cause the damage to the pipeline, the top fixedly connected with bowl type seat 17 of bumper shock absorber 13, bowl type seat 17 internal rotation is connected with mount 18, fixing bolt 16 is worn to be equipped with to the side of bowl type seat 17, with the help of the rotation of mount 18 in bowl type seat 17, can reach the adjustment to pipeline support angle, simultaneously with the help of fixing bolt 16, can realize fixing between mount 18 and the bowl type seat 17.
Fixing bolt 16 passes bowl type seat 17 and extrudes on mount 18 surface, another mount 18 of 19 fixedly connected with of connecting bolt is passed through at the top of mount 18, the equal fixedly connected with a plurality of elastic component 20 in surface of two mount 18 inner walls, the one end fixedly connected with guard plate 21 of elastic component 20, through setting up elastic component 20 and guard plate 21, the shape of guard plate 21 is the arc, can realize carrying out the fixed purpose of centre gripping to the pipeline surface, simultaneously with the help of the elasticity of elastic component 20, can cooperate the pipeline expend with heat and contract with cold to carry out the purpose of corresponding expansion and shrink.
The sliding sleeve 14 is movably connected with a connecting rod 25 through a second pin shaft 15, the connecting rods 25 are movably connected through the second pin shaft 15, a second spring 12 is sleeved on the surface of the sliding rod 11, and two ends of the second spring 12 are fixedly connected to the side surface of the inner wall of the groove 24 and the side surface of the sliding sleeve 14 respectively.
The side of the bowl-shaped seat 17 is fixedly connected with a movable assembly 9, the movable assembly 9 comprises two fixed plates 91, two first pin shafts 92, two movable plates 93, a telescopic assembly 94 and a third spring 95, the bottom fixed plate 91 is slidably connected in the first chute 3, the top fixed plate 91 is fixedly connected to the side of the bowl-shaped seat 17, the two fixed plates 91 are both movably connected with the movable plates 93 through the first pin shafts 92, the opposite surfaces of the two movable plates 93 are fixedly connected with the telescopic assembly 94, the surface of the telescopic assembly 94 is sleeved with the third spring 95, two ends of the third spring 95 are respectively fixedly connected to the two movable plates 93, the telescopic assembly 94 can move left and right along with the fixed plates 91 by virtue of the movable action of the first pin shafts 92 in the movable assembly 9 and the sliding of the fixed plates 91 in the first chute 3, and the elasticity of the third spring 95 is used to buffer the left and right vibration of the bowl-shaped seat 17.
First spout 3 has been seted up at base 1's top, movable assembly 9 sliding connection is in first spout 3, the first spring 4 of side fixedly connected with of 3 inner walls of first spout, the other end fixed connection of first spring 4 is in movable assembly 9's side, the device adopts the cooperation between each structure, very big increase the support protection effect to the pipeline, realized the regulation to pipeline support height and angle simultaneously, the flexibility ratio of use is high, whole device is rational in infrastructure, high durability and convenient use, therefore, the clothes hanger is strong in practicability.
Specifically, telescopic component 94 includes drum 941, the slider 942, second spout 943 and movable rod 944, drum 941 fixed connection is on bottom fly leaf 93, second spout 943 has been seted up to the side of drum 941 inner wall, sliding connection has the slider 942 in the second spout 943, fixedly connected with movable rod 944 on the slider 942, the top fixed connection of movable rod 944 is on top fly leaf 93, with the help of among the telescopic component 94 slider 942 in the sliding fit of second spout 943, can reciprocate in drum 941 through movable rod 944, cooperation bowl type seat 17 reciprocates.
Specifically, the position that base 1 is close to the four corners all wears to be equipped with and pricks ground bolt 2, pricks ground bolt 2 through the setting, can fix base 1, is convenient for reach the purpose of fixing the use to the integrated device.
Specifically, the top fixedly connected with handle 22 of mount 18, anti-skidding cover 23 has been cup jointed on the surface of handle 22, through handle 22, conveniently takes off top mount 18, can increase the frictional force between people's hand and the handle 22 with the help of anti-skidding cover 23, the gliding condition appears when avoiding using.
The utility model discloses a theory of operation does:
s1, when the shock absorption base is used, the base 1 is fixed at a use position through the ground binding bolt 2, then the threaded cylinder 7 is rotated, the threaded cylinder 7 drives the shock absorption base 10 to move up and down by means of the matching of the telescopic rod 5, and the supporting height of the fixing frame 18 is adjusted;
s2, adjusting the supporting angle according to the pipeline laying requirement by means of rotation between the fixing frame 18 and the bowl-shaped seat 17, after the adjustment is completed, screwing down the fixing bolt 16 to enable the fixing bolt 16 to be extruded on the surface of the fixing frame 18 for fixing, then laying the pipeline on the protection plate 21 on the fixing frame 18, then taking the other fixing frame 18 to fix the upper part of the pipeline, then fixing the two fixing frames 18 through the connecting bolt 19, and after the fixing is completed, when the pipeline expands with heat and contracts with cold, matching the expansion and restoration of the pipeline by means of the elasticity of the elastic piece 20;
s3, when receiving outside vibrations, at first through bumper shock absorber 13, with the help of the travelling action of second round pin axle 15, drive connecting rod 25 cross activity, with the help of the elasticity of second spring 12, play the cushioning effect to longitudinal vibration, fixed plate 91 slides from side to side in first spout 3 simultaneously, shorten with the help of the extension of telescopic component 94 and the elasticity of first spring 4 and third spring 95, play the cushioning effect to the flank vibrations, reach all-round protection, reinforcing protection effect.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. The utility model provides a municipal administration heating pipeline protective cradle, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a threaded column (6), the surface of the threaded column (6) is in threaded connection with a threaded cylinder (7), the top of the threaded cylinder (7) is fixedly connected with a rotating shaft (8), the surface of the rotating shaft (8) is sleeved with a bearing (26), the top of the bearing (26) is fixedly connected with a damping seat (10), the top of the damping seat (10) is fixedly connected with a damper (13), the top of the damper (13) is fixedly connected with a bowl-shaped seat (17), a fixing frame (18) is rotationally connected in the bowl-shaped seat (17), a fixing bolt (16) is penetrated through the side surface of the bowl-shaped seat (17), the fixing bolt (16) penetrates through the bowl-shaped seat (17) to be extruded on the surface of the fixing frame (18), the top of the fixing frame (18) is fixedly connected with another fixing frame (18) through a connecting bolt (19), the surfaces of the inner walls of the two fixing frames (18) are fixedly connected with a plurality of elastic pieces (20), and one ends of the elastic pieces (20) are fixedly connected with a protection plate (21);
the damping seat (10) and the bowl-shaped seat (17) are provided with grooves (24) on opposite surfaces, slide rods (11) are fixedly connected in the grooves (24), the surface of each slide rod (11) is slidably connected with a sliding sleeve (14), each sliding sleeve (14) is movably connected with a connecting rod (25) through a second pin shaft (15), the connecting rods (25) are movably connected through the second pin shafts (15), the surface of each slide rod (11) is sleeved with a second spring (12), and two ends of each second spring (12) are fixedly connected to the side surface of the inner wall of each groove (24) and the side surface of each sliding sleeve (14) respectively;
the side fixedly connected with movable assembly (9) of bowl type seat (17), first spout (3) have been seted up at the top of base (1), movable assembly (9) sliding connection is in first spout (3), the side fixedly connected with first spring (4) of first spout (3) inner wall, the other end fixed connection of first spring (4) is in the side of movable assembly (9).
2. The municipal heating pipeline protection bracket according to claim 1, wherein: activity subassembly (9) include two fixed plates (91), two first round pin axles (92), two fly leaves (93), flexible subassembly (94) and third spring (95), bottom fixed plate (91) sliding connection is in first spout (3), the top fixed plate (91) fixed connection is in the side of bowl type seat (17), two fixed plate (91) all has fly leaf (93), two through first round pin axle (92) swing joint the opposite face fixedly connected with flexible subassembly (94) of fly leaf (93), third spring (95) has been cup jointed on the surface of flexible subassembly (94), the both ends difference fixed connection of third spring (95) is on two fly leaves (93).
3. The municipal heating pipeline protection bracket according to claim 2, wherein: telescopic component (94) include drum (941), slider (942), second spout (943) and movable rod (944), drum (941) fixed connection is on bottom fly leaf (93), second spout (943) have been seted up to the side of drum (941) inner wall, sliding connection has slider (942) in second spout (943), fixedly connected with movable rod (944) on slider (942), the top fixed connection of movable rod (944) is at the top on fly leaf (93).
4. The municipal heating pipeline protection bracket according to claim 1, wherein: the top fixedly connected with telescopic link (5) of base (1), the top fixed connection of telescopic link (5) is in the bottom of shock attenuation seat (10).
5. The municipal heating pipeline protection bracket according to claim 1, wherein: and ground binding bolts (2) are arranged at the positions, close to the four corners, of the base (1) in a penetrating manner.
6. The municipal heating pipeline protection bracket according to claim 1, wherein: the top of the fixed frame (18) is fixedly connected with a handle (22), and the surface of the handle (22) is sleeved with an anti-slip sleeve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987821.4U CN214839243U (en) | 2021-05-10 | 2021-05-10 | Municipal administration heating pipeline protective cradle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120987821.4U CN214839243U (en) | 2021-05-10 | 2021-05-10 | Municipal administration heating pipeline protective cradle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214839243U true CN214839243U (en) | 2021-11-23 |
Family
ID=78773076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120987821.4U Expired - Fee Related CN214839243U (en) | 2021-05-10 | 2021-05-10 | Municipal administration heating pipeline protective cradle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214839243U (en) |
-
2021
- 2021-05-10 CN CN202120987821.4U patent/CN214839243U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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